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adelina 88 [10]
4 years ago
11

The angles of a triangle are 42º, 63º, xº. What is the value of x?

Mathematics
2 answers:
Zanzabum4 years ago
8 0
All the angles of  triangle add up to 180 degrees.
so 42+63+x=180
add 42 and 63 then subtract that from 180.
42+63= 105
180-105= 75
so it's 75 degrees. 
MakcuM [25]4 years ago
6 0
75 degrees because 42+63=105
180-105=x
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